# Relationship history for MSHA mine 1700455

Current hierarchy: **V B  Castellani; Kathleen  Herbert → Fletcher Granite Company Llc → Jonesboro Quarry**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** John J  Lander Jr → Jonesboro Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Maine & New Hampshire Granite Corp → Jonesboro Quarry; 1978-03-09 to 1985-11-26; source msha-controller-operator-history
- **controller_controls_operator:** John J  Lander Jr → Maine & New Hampshire Granite Corp; 1978-03-09 to 1985-11-26; source msha-controller-operator-history
- **operator_operates_mine:** Fletcher Granite Company Inc → Jonesboro Quarry; 1985-11-27 to 1991-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Paul A  Keany → Jonesboro Quarry; 1985-11-27 to 1991-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Paul A  Keany → Fletcher Granite Company Inc; 1985-11-27 to 1991-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Pioneer International Ltd → Jonesboro Quarry; 1989-01-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fletcher Granite Company Inc → Jonesboro Quarry; 1991-04-22 to 1999-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Pioneer International Ltd → Fletcher Granite Company Inc; 1991-04-22 to 1999-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Kathleen  Herbert et al → Jonesboro Quarry; 1999-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fletcher Granite Company Llc → Jonesboro Quarry; 1999-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kathleen  Herbert et al → Fletcher Granite Company Llc; 1999-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** V B  Castellani  et al → Fletcher Granite Company Llc; 1999-04-02 to current/open; source msha-controller-operator-history